Autotech Pump Upgrade Kit 1.8 + 2.0 TFSI EA888 for Golf 5 GTI, Audi A3, A4, S3, TTS, Seat Leon Cupra R, Octavia 10.127.203K

Autotech High-Pressure Pump Upgrade Kit 1.8 & 2.0 TSI / TFSI (EA888)

Maximum fuel delivery for tuned EA888 engines: The original Autotech Upgrade Kit (manufacturer part number: 10.127.203K) is the ultimate solution for all 1.8 and 2.0 TSI/TFSI engines of the EA888 generation (chain-driven engines).

With performance upgrades starting at Stage 2, the stock high-pressure pumps in EA888 engines quickly reach their flow capacity limits. A drop in fuel pressure in the rail system leads to dangerous lean-burn conditions and power losses. Thanks to the high-precision, enlarged pump piston, the Autotech Kit increases the flow rate by approximately 50% and guarantees stable fuel pressure even under extreme boost pressure.

Key Performance Data

• Recommended for: Engine outputs of approx. 300 PS or higher / Stage 2+

• Maximum power: Up to 500–550 PS, depending on the system components (upgrade turbocharger, injectors, low-pressure pump)

• Function: Prevents fuel pressure drop in the high-pressure rail under high load

• Workmanship: Tightest manufacturing tolerances and DLC (Diamond-Like Carbon) coating for minimal friction and maximum wear resistance

Compatibility & Vehicle Overview

This kit (10.127.203K) is compatible exclusively with vehicles equipped with EA888 engines (chain-driven) of the Gen 1, Gen 2, and Gen 3 / Gen 3.5 generations.

Important Note: NOT compatible with older EA113 timing belt engines (e.g., Golf 5 GTI, Golf 6 R, Audi S3 8P). Kit 10.127.100K is required for these models.

Compatible with VAG 1.8 & 2.0 TSI / TFSI (EA888 chain-driven engines)

• VW:

  • Golf 6 GTI (2.0 TSI - EA888 Gen 2)

  • Golf 7 GTI / Performance / Clubsport / TCR (2.0 TSI - EA888 Gen 3)

  • Golf 7 R (2.0 TSI - EA888 Gen 3)

  • Scirocco III (2.0 TSI from approx. model year 2009 with EA888)

  • Polo 6R WRC / Polo 6C GTI (1.8 & 2.0 TSI)

  • Passat B7 / CC / Arteon (1.8 & 2.0 TSI EA888)

  • Tiguan (1.8 & 2.0 TSI EA888)

• Audi:

  • A3 / S3 / RS3 (8V 1.8 & 2.0 TFSI)

  • A4 / A5 / Q5 (B8 / B8.5 / B9 - 1.8 & 2.0 TFSI EA888)

  • TT / TTS (8J from approx. 2010 & 8S 2.0 TFSI)

• Seat:

  • Leon 1P FR / Cupra (from approx. 2009 with EA888)

  • Leon 5F Cupra 260 / 280 / 290 / 300 / R (2.0 TSI EA888 Gen 3)

• Skoda:

  • Octavia 1Z RS (from approx. model year 2009 with EA888)

  • Octavia 5E RS (2.0 TSI EA888 Gen 3)

  • Superb II & III (1.8 & 2.0 TSI EA888)

Installation & Software Instructions

• Installation: The conversion requires the removal, disassembly, and professional reassembly of the internal components of the original high-pressure fuel pump. Due to the work being performed on the high-pressure fuel system, absolute cleanliness must be maintained.

• Software Adjustment: No direct ECU adjustment is required for simply starting the engine or regular daily operation. To take full advantage of the additional power and increased fuel flow in high-boost setups, custom software optimization (ECU mapping) is necessary.

Scope of Delivery

• 1x Original Autotech High-Pressure Pump Upgrade Kit for EA888 (piston, cylinder, spring, seals)

• Manufacturer Part Number: 10.127.203K